| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 188 (High) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) |
| February | 572 (Very high) | 2 (Low) | 8 (Low) | 1 (Low) | 0 (Low) |
| March | 133 (High) | 547 (Very high) | 22 (Low) | 1 (Low) | 0 (Low) |
| April | 19 (Low) | 1,406 (Very high) | 8 (Low) | 10 (Low) | 0 (Low) |
| May | 2 (Low) | 3 (Low) | 384 (Very high) | 47 (Medium) | 194 (Medium) |
| June | 10 (Low) | 4 (Low) | 349 (Very high) | 26 (Medium) | 500 (Very high) |
| July | 1 (Low) | 1 (Low) | 77 (Medium) | 2 (Low) | 5 (Low) |
| August | 1 (Low) | 0 (Low) | 5 (Low) | 1 (Low) | 1 (Low) |
| September | 2 (Low) | 1 (Low) | 4 (Low) | 0 (Low) | 3 (Low) |
| October | — | — | — | — | — |
| November | — | — | — | — | — |
| December | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) |